tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Mighty Tornado <mighty.torn...@gmail.com>
Subject Re: DataSource from Context files - doesn't work
Date Wed, 01 Apr 2009 10:07:38 GMT
Where can I obtain it?
The exception that I posted is the only exception that showed up following
"tail -f *"

On Wed, Apr 1, 2009 at 6:04 AM, Gregor <rc46fi@googlemail.com> wrote:

> your log is useless.
> please post the complete stacktrace incl. the type of the exception
>
> rds
>
> gregor
>
> Am 01.04.2009 um 11:57 schrieb Mighty Tornado <mighty.tornado@gmail.com>:
>
>
>  Additional info:
>>
>> I get the following exception in the log when I start the server up:
>>
>> ==> localhost.2009-03-03.log <==
>>   at
>>
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>>   at
>>
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>>   at
>>
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
>>   at
>>
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>>   at
>>
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>>   at
>>
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
>>   at
>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
>>   at
>>
>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
>>   at
>> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
>>   at java.lang.Thread.run(Thread.java:613)
>>
>>
>>
>> I use the following code to get the connection:
>>
>> InitialContext ic = new InitialContext();
>>
>>           if(ic == null)
>>           {
>>               System.out.println("context not found");
>>           }
>>
>>           DataSource ds =
>> (DataSource)ic.lookup("java:comp/env/jdbc/vhousehold");
>>
>>           if(ds == null)
>>           {
>>               System.out.println("DataSource not found");
>>           }
>>
>>           conn = ds.getConnection();
>>
>>           stat = conn.createStatement();
>>
>>           rs = stat.executeQuery("SELECT * FROM family_member ");
>>
>> On Tue, Mar 31, 2009 at 9:36 PM, Mighty Tornado <mighty.tornado@gmail.com
>> >wrote:
>>
>>  Hi I placed the following in context.xml in META-INF.
>>> But the result set is null, what's wrong with my set up?Can anybody
>>> please
>>> advise?
>>>
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <Context>
>>> <Resource
>>>   auth="Container"
>>>   description="DB Connection"
>>>   name="jdbc/vhousehold"
>>>   type="javax.sql.DataSource"
>>>   password="vhousehold"
>>>   driverClassName="com.mysql.jdbc.Driver"
>>>   maxIdle="2"
>>>   maxWait="5000"
>>>   validationQuery="select * from family_member;"
>>>   username="vhousehold"
>>>   url="jdbc:mysql://localhost:3306/vhousehold"
>>>   maxActive="4"/>
>>> </Context>
>>>
>>> Thanks,
>>>
>>> Ramy.
>>>
>>>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: users-help@tomcat.apache.org
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message